Router is a device to provide access to the Computer Network or Internet. It can function in connecting your computer with LAN Cable (Wired Router) or via radio wave (Wireless). Wireless Router needs to be matched with the PC/Equipment wireless standards you want to connect. Check your PC/equipment before you order. International Standards for Wireless Local Area Network: IEEE802.11b, IEEE802.11g, IEEE802.11a, IEEE802.11n When ordering, please specify following points; Data Transfer Speed (Mbps), International standard for, Wireless LAN to be connected to, OS language (ex: English OS, Japanese OS, etc), Power Source(110V or 220V)